CVE-2026-30403
HIGHCVSS 7.5/10EPSS 0.38%
Last modified
CVE-2026-30403 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. There is an arbitrary file read vulnerability in the test connection function of backend database management in wgcloud v3.6.3 and before, which can be used to read any file on the victim's server.. EPSS estimates a 0.38% chance of exploitation in the next 30 days.
Description
There is an arbitrary file read vulnerability in the test connection function of backend database management in wgcloud v3.6.3 and before, which can be used to read any file on the victim's server.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wgstart | Wgcloud | <= 3.6.3 |
References
- https://github.com/TTTlw1024/qwe/issues/2Exploit, Issue Tracking
- https://github.com/tianshiyeben/wgcloud/issues/97Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-30403?
There is an arbitrary file read vulnerability in the test connection function of backend database management in wgcloud v3.6.3 and before, which can be used to read any file on the victim's server.
How severe is CVE-2026-30403?
CVE-2026-30403 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.
How do I fix CVE-2026-30403?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-30368A client-side authorization flaw in Lightspeed Classroom v5.…5.4
- CVE-2026-3037An OS command injection vulnerability exists in XWEB Pro ver…8.8
- CVE-2026-3038The rtsock_msg_buffer() function serializes routing informat…7.5
- CVE-2026-3039BIND servers that are configured to use TKEY-based authentic…7.5
- CVE-2026-3040A vulnerability was identified in DrayTek Vigor 300B up to 1…7.2
- CVE-2026-30402An issue in wgcloud v.2.3.7 and before allows a remote attac…9.8
- CVE-2026-30404The backend database management connection test feature in w…7.5
- CVE-2026-30405An issue in GoBGP gobgpd v.4.2.0 allows a remote attacker to…7.5
- CVE-2026-30407Rejected reason: DO NOT USE THIS CVE RECORD. ConsultIDs: non…
- CVE-2026-3041A security vulnerability has been detected in xingfuggz Bayk…2.4
- CVE-2026-3042A vulnerability was detected in itsourcecode Event Managemen…9.8
- CVE-2026-3043A flaw has been found in itsourcecode Event Management Syste…6.1
Are you affected by CVE-2026-30403?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
